package com.hrvsr.scheduler;

import com.hrvsr.common.Request;

public interface Scheduler {
	public Request poll();
	
	/**
	 * add to queue if not duplicate
	 */
	public void offer(Request request);
	
	/**
	 * add to queue even duplicate
	 */
	public void putEvenDuplicate(Request request);
	
	public long size();
}
